We named this frame after the town of Spearfish, South Dakota, home to the Ridge Riders Mountain Bike Club, the Dakota 5-O race, and hundreds of miles of killer singletrack trails.

Spearfish. Charge your lights because tonight's ride will be a long one.

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Specifications

Spearfish - Endurance GeometryDesigned for all-day XC riding or racing. Stable and balanced handling. Aimed at efficient power transfer and rear suspension performance. The bike to ride for ultra-endurance riding and racing on singletrack

80mm Rear Wheel TravelCombined with 29er wheels and our Endurance Geometry, the Spearfish goes further and faster with less

100mm Fork CompatibleFrame geometry and handling based on an average 100mm 29er suspension fork

Pivot Minimizing Suspension80mm rear travel version of our link-actuated single pivot design. The Spearfish features our simplified one-piece rear triangle with shaped stays and a shared pivot link design that reduces pivot points and hardware. This creates a lighter and stiffer rear end with fewer wear and maintenance points

Shaped SeatstaysUsed in favor of a rear pivot on the 1-piece rear triangle. A rear dropout pivot (if present) would only rotate 1-degree during full suspension compression. We eliminate this pivot point and instead transform the 1-degree of rotation into a slight 5.2mm deflection of the seat stays tubes. The seatstays are shaped and sized appropriately to safely handle this small amount of deflection far beyond the lifespan of the frame. The result is a lightweight, one-piece rear triangle with a single pair of bearings at the main pivot

Extruded, CNC'd Shared-Pivot LinkShort and compact, the dog-bone shaped link features a shared pivot where the shock and seatstays meet the link. This removes a shock pin from the system and keeps the link small and light

Tapered HeadtubeAllows use of tapered forks or standard 1-1/8" forks. Combining the tapered headtube with the large downtube greatly increases the front-end stiffness and strength of the frame without adding significant weight